PLS SOMEBODY HELP ME WHAT IS 1+1 THE CORRECT ANSWER WILL GET BRAINLIEST

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?

Someone answer asap for ! the boiling point of water at an elevation of 0 feet is 212 degrees fahrenheit (°f). for every 1,000 feet of increase in elevation, the boiling point of water decreases by about 2°f. which of the following represents this relationship if b is the boiling point of water at an elevation of e thousand feet? a. e = 2b - 212 b. b = 2e - 212 c. e = -2b + 212 d. b = -2e + 212